costom tabs setting

apps/weblibre/lib/features/intent_gatekeeper/domain/services/native_gatekeeper_replicator.dart

@@ -45,7 +45,12 @@ class NativeIntentGatekeeperReplicator
   Future<void>? _pendingAllowSync;
 
   Future<void> _push(
-    ({bool enabled, Map<String, IntentSourcePolicy> policies}) config,
+    ({
+      bool enabled,
+      Map<String, IntentSourcePolicy> policies,
+      bool customTabsEnabled,
+    })
+    config,
   ) async {
     final blocked = config.policies.entries
         .where((entry) => entry.value == IntentSourcePolicy.block)
@@ -54,6 +59,7 @@ class NativeIntentGatekeeperReplicator
 
     try {
       await _api.setConfig(config.enabled, blocked);
+      await _api.setCustomTabsEnabled(config.customTabsEnabled);
     } catch (error, stackTrace) {
       logger.e(
         'Failed to replicate intent gatekeeper config to native',
@@ -116,6 +122,7 @@ class NativeIntentGatekeeperReplicator
         (settings) => EquatableValue((
           enabled: settings.blockExternalAppsEnabled,
           policies: settings.externalAppIntentPolicies,
+          customTabsEnabled: settings.customTabsEnabled,
         )),
       ),
       fireImmediately: true,
@@ -125,6 +132,7 @@ class NativeIntentGatekeeperReplicator
 
         if (previous != null &&
             previous.enabled == next.enabled &&
+            previous.customTabsEnabled == next.customTabsEnabled &&
             const DeepCollectionEquality.unordered().equals(
               previous.policies,
               next.policies,
@@ -139,6 +147,7 @@ class NativeIntentGatekeeperReplicator
           await _push((
             enabled: settings.blockExternalAppsEnabled,
             policies: settings.externalAppIntentPolicies,
+            customTabsEnabled: settings.customTabsEnabled,
           ));
         }());
       },

apps/weblibre/lib/features/intent_gatekeeper/domain/services/native_gatekeeper_replicator.g.dart

@@ -65,7 +65,7 @@ final class NativeIntentGatekeeperReplicatorProvider
 }
 
 String _$nativeIntentGatekeeperReplicatorHash() =>
-    r'bb2e2a252143879e558d513f9c48f3e66513baa9';
+    r'1425d7d540d872d82a2d97e0a9fff6a4f6d9ae7b';
 
 /// Mirrors the Flutter-side block list to the native side so the
 /// `IntentReceiverActivity` can reject intents without launching Flutter.

apps/weblibre/lib/features/settings/presentation/screens/browsing_settings.dart

@@ -144,6 +144,20 @@ const List<SettingsSectionDefinition> browsingSettingsSections = [
         keywords: ['intents'],
         child: _ExternalLinkHandlingSection(),
       ),
+      SettingsEntryDefinition(
+        title: 'Custom Tabs',
+        subtitle:
+            'Let other apps open links in a lightweight in-app tab, instead '
+            'of the main browser',
+        keywords: [
+          'custom tabs',
+          'in-app browser',
+          'chrome custom tabs',
+          'external app',
+          'share',
+        ],
+        child: _CustomTabsTile(),
+      ),
       SettingsEntryDefinition(
         title: 'URL Cleaner',
         subtitle: 'Tracking removal rules and catalog updates',
@@ -821,6 +835,35 @@ class _PullToRefreshTile extends HookConsumerWidget {
   }
 }
 
+class _CustomTabsTile extends HookConsumerWidget {
+  const _CustomTabsTile();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final customTabsEnabled = ref.watch(
+      generalSettingsWithDefaultsProvider.select((s) => s.customTabsEnabled),
+    );
+
+    return SwitchListTile.adaptive(
+      title: const Text('Custom Tabs'),
+      subtitle: const Text(
+        'Let other apps open links in a lightweight in-app tab. When off, '
+        'these links and shared URLs open as normal tabs in the main browser.',
+      ),
+      secondary: const Icon(Icons.web_asset),
+      value: customTabsEnabled,
+      onChanged: (value) async {
+        await ref
+            .read(saveGeneralSettingsControllerProvider.notifier)
+            .save(
+              (currentSettings) =>
+                  currentSettings.copyWith.customTabsEnabled(value),
+            );
+      },
+    );
+  }
+}
+
 class _DoubleBackCloseTabTile extends HookConsumerWidget {
   const _DoubleBackCloseTabTile();
 

apps/weblibre/lib/features/user/data/models/general_settings.dart

@@ -196,6 +196,12 @@ class GeneralSettings with FastEquatable {
   final bool blockExternalAppsEnabled;
   final Map<String, IntentSourcePolicy> externalAppIntentPolicies;
 
+  /// Whether external Custom Tab intents (and URLs shared into WebLibre) open
+  /// in a lightweight custom-tab activity. When false, they open as normal
+  /// tabs in the main browser instead. Read natively by `IntentReceiverActivity`
+  /// via the intent gatekeeper prefs bridge. Defaults to true.
+  final bool customTabsEnabled;
+
   /// Whether the local search index (`history` table populated via tab→
   /// history triggers) is active. When false, the SQL trigger guard returns
   /// without writing; existing rows stay until the user clears them.
@@ -289,6 +295,7 @@ class GeneralSettings with FastEquatable {
     required this.allowNonManifestPwaInstall,
     required this.blockExternalAppsEnabled,
     required this.externalAppIntentPolicies,
+    required this.customTabsEnabled,
     required this.enableLocalSearchIndex,
     required this.indexPrivateTabs,
     required this.acceptSuggestionOnSubmit,
@@ -356,6 +363,7 @@ class GeneralSettings with FastEquatable {
     bool? allowNonManifestPwaInstall,
     bool? blockExternalAppsEnabled,
     Map<String, IntentSourcePolicy>? externalAppIntentPolicies,
+    bool? customTabsEnabled,
     bool? enableLocalSearchIndex,
     bool? indexPrivateTabs,
     bool? acceptSuggestionOnSubmit,
@@ -433,6 +441,7 @@ class GeneralSettings with FastEquatable {
        allowNonManifestPwaInstall = allowNonManifestPwaInstall ?? false,
        blockExternalAppsEnabled = blockExternalAppsEnabled ?? false,
        externalAppIntentPolicies = externalAppIntentPolicies ?? const {},
+       customTabsEnabled = customTabsEnabled ?? true,
        enableLocalSearchIndex = enableLocalSearchIndex ?? true,
        indexPrivateTabs = indexPrivateTabs ?? false,
        acceptSuggestionOnSubmit = acceptSuggestionOnSubmit ?? false,
@@ -574,6 +583,7 @@ class GeneralSettings with FastEquatable {
     allowNonManifestPwaInstall,
     blockExternalAppsEnabled,
     externalAppIntentPolicies,
+    customTabsEnabled,
     enableLocalSearchIndex,
     indexPrivateTabs,
     acceptSuggestionOnSubmit,

apps/weblibre/lib/features/user/data/models/general_settings.g.dart

@@ -141,6 +141,8 @@ abstract class _$GeneralSettingsCWProxy {
     Map<String, IntentSourcePolicy> externalAppIntentPolicies,
   );
 
+  GeneralSettings customTabsEnabled(bool customTabsEnabled);
+
   GeneralSettings enableLocalSearchIndex(bool enableLocalSearchIndex);
 
   GeneralSettings indexPrivateTabs(bool indexPrivateTabs);
@@ -220,6 +222,7 @@ abstract class _$GeneralSettingsCWProxy {
     bool allowNonManifestPwaInstall,
     bool blockExternalAppsEnabled,
     Map<String, IntentSourcePolicy> externalAppIntentPolicies,
+    bool customTabsEnabled,
     bool enableLocalSearchIndex,
     bool indexPrivateTabs,
     bool acceptSuggestionOnSubmit,
@@ -483,6 +486,10 @@ class _$GeneralSettingsCWProxyImpl implements _$GeneralSettingsCWProxy {
     Map<String, IntentSourcePolicy> externalAppIntentPolicies,
   ) => call(externalAppIntentPolicies: externalAppIntentPolicies);
 
+  @override
+  GeneralSettings customTabsEnabled(bool customTabsEnabled) =>
+      call(customTabsEnabled: customTabsEnabled);
+
   @override
   GeneralSettings enableLocalSearchIndex(bool enableLocalSearchIndex) =>
       call(enableLocalSearchIndex: enableLocalSearchIndex);
@@ -578,6 +585,7 @@ class _$GeneralSettingsCWProxyImpl implements _$GeneralSettingsCWProxy {
     Object? allowNonManifestPwaInstall = const $CopyWithPlaceholder(),
     Object? blockExternalAppsEnabled = const $CopyWithPlaceholder(),
     Object? externalAppIntentPolicies = const $CopyWithPlaceholder(),
+    Object? customTabsEnabled = const $CopyWithPlaceholder(),
     Object? enableLocalSearchIndex = const $CopyWithPlaceholder(),
     Object? indexPrivateTabs = const $CopyWithPlaceholder(),
     Object? acceptSuggestionOnSubmit = const $CopyWithPlaceholder(),
@@ -924,6 +932,12 @@ class _$GeneralSettingsCWProxyImpl implements _$GeneralSettingsCWProxy {
           ? _value.externalAppIntentPolicies
           // ignore: cast_nullable_to_non_nullable
           : externalAppIntentPolicies as Map<String, IntentSourcePolicy>,
+      customTabsEnabled:
+          customTabsEnabled == const $CopyWithPlaceholder() ||
+              customTabsEnabled == null
+          ? _value.customTabsEnabled
+          // ignore: cast_nullable_to_non_nullable
+          : customTabsEnabled as bool,
       enableLocalSearchIndex:
           enableLocalSearchIndex == const $CopyWithPlaceholder() ||
               enableLocalSearchIndex == null
@@ -1095,6 +1109,7 @@ GeneralSettings _$GeneralSettingsFromJson(
       (json['externalAppIntentPolicies'] as Map<String, dynamic>?)?.map(
         (k, e) => MapEntry(k, $enumDecode(_$IntentSourcePolicyEnumMap, e)),
       ),
+  customTabsEnabled: json['customTabsEnabled'] as bool?,
   enableLocalSearchIndex: json['enableLocalSearchIndex'] as bool?,
   indexPrivateTabs: json['indexPrivateTabs'] as bool?,
   acceptSuggestionOnSubmit: json['acceptSuggestionOnSubmit'] as bool?,
@@ -1180,6 +1195,7 @@ Map<String, dynamic> _$GeneralSettingsToJson(
   'externalAppIntentPolicies': instance.externalAppIntentPolicies.map(
     (k, e) => MapEntry(k, _$IntentSourcePolicyEnumMap[e]!),
   ),
+  'customTabsEnabled': instance.customTabsEnabled,
   'enableLocalSearchIndex': instance.enableLocalSearchIndex,
   'indexPrivateTabs': instance.indexPrivateTabs,
   'acceptSuggestionOnSubmit': instance.acceptSuggestionOnSubmit,

apps/weblibre/lib/features/user/domain/repositories/general_settings.dart

@@ -268,6 +268,10 @@ class GeneralSettingsRepository extends _$GeneralSettingsRepository {
       'externalAppIntentPolicies': settings['externalAppIntentPolicies']
           ?.readAs(DriftSqlType.string, db.typeMapping)
           .mapNotNull(jsonDecode),
+      'customTabsEnabled': settings['customTabsEnabled']?.readAs(
+        DriftSqlType.bool,
+        db.typeMapping,
+      ),
       'enableLocalSearchIndex': settings['enableLocalSearchIndex']?.readAs(
         DriftSqlType.bool,
         db.typeMapping,

apps/weblibre/lib/features/user/domain/repositories/general_settings.g.dart

@@ -35,7 +35,7 @@ final class GeneralSettingsRepositoryProvider
 }
 
 String _$generalSettingsRepositoryHash() =>
-    r'9ee41d8283340300ec295d318ade92c15b19426d';
+    r'4e72c8ebed8b08ced417ca24d6e4a840f2abf1be';
 
 abstract class _$GeneralSettingsRepository
     extends $StreamNotifier<GeneralSettings> {

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/activities/IntentReceiverActivity.kt

@@ -153,12 +153,14 @@ class IntentReceiverActivity : Activity() {
         // Flutter-side to handle (search, PDF display, etc.).
         if (intent.action == Intent.ACTION_SEND) {
             val shareUrl = extractShareUrl(intent)
-            if (shareUrl != null) {
+            if (shareUrl != null &&
+                IntentGatekeeperPreferences.isCustomTabsEnabled(applicationContext)
+            ) {
                 Log.d(TAG, "SHARE intent with URL, routing to custom tab: $shareUrl")
                 handleShareUrlAsCustomTab(intent, shareUrl, privateBrowsingMode)
                 return
             }
-            Log.d(TAG, "SHARE intent without URL, routing to MainActivity")
+            Log.d(TAG, "SHARE intent without URL (or custom tabs disabled), routing to MainActivity")
             handleRegularIntent(intent)
             return
         }
@@ -193,19 +195,30 @@ class IntentReceiverActivity : Activity() {
                 return
             }
 
-        val processors = listOf(
-            "CustomTab" to CustomTabIntentProcessor(
-                components.useCases.customTabsUseCases.add,
-                resources,
-                isPrivate = privateBrowsingMode,
-            ),
-            "PWA" to WebAppIntentProcessor(
-                components.core.store,
-                components.useCases.customTabsUseCases.addWebApp,
-                components.useCases.sessionUseCases.loadUrl,
-                components.core.webAppManifestStorage,
-            ),
-        )
+        // When the user disables the Custom Tabs feature, external Custom Tab
+        // intents are not handled here; they fall through to the main browser
+        // via handleRegularIntent(). PWA processing is unaffected.
+        val customTabsEnabled = IntentGatekeeperPreferences.isCustomTabsEnabled(applicationContext)
+
+        val processors = buildList {
+            if (customTabsEnabled) {
+                add(
+                    "CustomTab" to CustomTabIntentProcessor(
+                        components.useCases.customTabsUseCases.add,
+                        resources,
+                        isPrivate = privateBrowsingMode,
+                    ),
+                )
+            }
+            add(
+                "PWA" to WebAppIntentProcessor(
+                    components.core.store,
+                    components.useCases.customTabsUseCases.addWebApp,
+                    components.useCases.sessionUseCases.loadUrl,
+                    components.core.webAppManifestStorage,
+                ),
+            )
+        }
 
         for ((name, processor) in processors) {
             Log.d(TAG, "Trying $name processor...")

packages/flutter_mozilla_components/android/src/main/kotlin/eu/weblibre/flutter_mozilla_components/gatekeeper/IntentGatekeeperPreferences.kt

@@ -21,6 +21,7 @@ import java.util.UUID
 object IntentGatekeeperPreferences {
     const val PREFS_NAME = "weblibre_intent_gatekeeper"
     const val KEY_ENABLED = "enabled"
+    const val KEY_CUSTOM_TABS_ENABLED = "custom_tabs_enabled"
     const val KEY_BLOCKED_PACKAGES = "blocked_packages"
     const val KEY_PENDING_ALWAYS_ALLOW = "pending_always_allow"
     private const val KEY_NOTIFICATION_APPROVAL_TOKENS = "notification_approval_tokens"
@@ -32,6 +33,15 @@ object IntentGatekeeperPreferences {
     fun isEnabled(context: Context): Boolean =
         get(context).getBoolean(KEY_ENABLED, false)
 
+    /**
+     * Whether external Custom Tab (and share-with-URL) intents should be
+     * handled as lightweight custom-tab activities. When false,
+     * [IntentReceiverActivity] routes them to the main browser instead.
+     * Defaults to true so the feature is active until the user opts out.
+     */
+    fun isCustomTabsEnabled(context: Context): Boolean =
+        get(context).getBoolean(KEY_CUSTOM_TABS_ENABLED, true)
+
     fun isBlocked(context: Context, packageName: String): Boolean {
         val prefs = get(context)
         if (!prefs.getBoolean(KEY_ENABLED, false)) return false

packages/simple_intent_receiver/android/src/main/kotlin/eu/weblibre/simple_intent_receiver/IntentGatekeeperHostApiImpl.kt

@@ -23,6 +23,7 @@ class IntentGatekeeperHostApiImpl(private val context: Context) : IntentGatekeep
     companion object {
         private const val PREFS_NAME = "weblibre_intent_gatekeeper"
         private const val KEY_ENABLED = "enabled"
+        private const val KEY_CUSTOM_TABS_ENABLED = "custom_tabs_enabled"
         private const val KEY_BLOCKED_PACKAGES = "blocked_packages"
         private const val KEY_PENDING_ALWAYS_ALLOW = "pending_always_allow"
     }
@@ -35,6 +36,13 @@ class IntentGatekeeperHostApiImpl(private val context: Context) : IntentGatekeep
             .apply()
     }
 
+    override fun setCustomTabsEnabled(enabled: Boolean) {
+        val prefs = context.applicationContext.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE)
+        prefs.edit()
+            .putBoolean(KEY_CUSTOM_TABS_ENABLED, enabled)
+            .apply()
+    }
+
     override fun resolvePackageLabel(packageName: String): String? {
         return try {
             val pm = context.applicationContext.packageManager

packages/simple_intent_receiver/android/src/main/kotlin/eu/weblibre/simple_intent_receiver/pigeons/Intent.g.kt

@@ -340,6 +340,13 @@ interface IntentGatekeeperHostApi {
    * [IntentReceiverActivity] can reject intents without launching Flutter.
    */
   fun setConfig(enabled: Boolean, blockedPackages: List<String>)
+  /**
+   * Replicates whether the Custom Tabs feature is enabled to the native side.
+   * When disabled, [IntentReceiverActivity] routes external Custom Tab and
+   * share-with-URL intents to the main browser instead of launching the
+   * stripped-down custom-tab activity. Defaults to enabled on the native side.
+   */
+  fun setCustomTabsEnabled(enabled: Boolean)
   /**
    * Resolves a package name to its user-visible application label via
    * [PackageManager]. Returns `null` if the package is not installed or the
@@ -388,6 +395,24 @@ interface IntentGatekeeperHostApi {
           channel.setMessageHandler(null)
         }
       }
+      run {
+        val channel = BasicMessageChannel<Any?>(binaryMessenger, "dev.flutter.pigeon.simple_intent_receiver.IntentGatekeeperHostApi.setCustomTabsEnabled$separatedMessageChannelSuffix", codec)
+        if (api != null) {
+          channel.setMessageHandler { message, reply ->
+            val args = message as List<Any?>
+            val enabledArg = args[0] as Boolean
+            val wrapped: List<Any?> = try {
+              api.setCustomTabsEnabled(enabledArg)
+              listOf(null)
+            } catch (exception: Throwable) {
+              IntentPigeonUtils.wrapError(exception)
+            }
+            reply.reply(wrapped)
+          }
+        } else {
+          channel.setMessageHandler(null)
+        }
+      }
       run {
         val channel = BasicMessageChannel<Any?>(binaryMessenger, "dev.flutter.pigeon.simple_intent_receiver.IntentGatekeeperHostApi.resolvePackageLabel$separatedMessageChannelSuffix", codec)
         if (api != null) {

packages/simple_intent_receiver/lib/src/pigeons/intent.g.dart

@@ -301,6 +301,28 @@ class IntentGatekeeperHostApi {
     ;
   }
 
+  /// Replicates whether the Custom Tabs feature is enabled to the native side.
+  /// When disabled, [IntentReceiverActivity] routes external Custom Tab and
+  /// share-with-URL intents to the main browser instead of launching the
+  /// stripped-down custom-tab activity. Defaults to enabled on the native side.
+  Future<void> setCustomTabsEnabled(bool enabled) async {
+    final pigeonVar_channelName = 'dev.flutter.pigeon.simple_intent_receiver.IntentGatekeeperHostApi.setCustomTabsEnabled$pigeonVar_messageChannelSuffix';
+    final pigeonVar_channel = BasicMessageChannel<Object?>(
+      pigeonVar_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: pigeonVar_binaryMessenger,
+    );
+    final Future<Object?> pigeonVar_sendFuture = pigeonVar_channel.send(<Object?>[enabled]);
+    final pigeonVar_replyList = await pigeonVar_sendFuture as List<Object?>?;
+
+    _extractReplyValueOrThrow(
+        pigeonVar_replyList,
+        pigeonVar_channelName,
+        isNullValid: true,
+    )
+    ;
+  }
+
   /// Resolves a package name to its user-visible application label via
   /// [PackageManager]. Returns `null` if the package is not installed or the
   /// label cannot be resolved.

packages/simple_intent_receiver/pigeons/intent.dart

@@ -69,6 +69,12 @@ abstract class IntentGatekeeperHostApi {
   /// [IntentReceiverActivity] can reject intents without launching Flutter.
   void setConfig(bool enabled, List<String> blockedPackages);
 
+  /// Replicates whether the Custom Tabs feature is enabled to the native side.
+  /// When disabled, [IntentReceiverActivity] routes external Custom Tab and
+  /// share-with-URL intents to the main browser instead of launching the
+  /// stripped-down custom-tab activity. Defaults to enabled on the native side.
+  void setCustomTabsEnabled(bool enabled);
+
   /// Resolves a package name to its user-visible application label via
   /// [PackageManager]. Returns `null` if the package is not installed or the
   /// label cannot be resolved.